20
L. Install Electrical System
Connect the power source on the data plate of Power Unit.
Note: For the safety of operators, the power wiring must contact the floor well. Pay
attention for the positive and negative motor rotation when connecting Three phase
motor.
Single phase motor
(See Fig.28)
.
1. Connecting the two power supply lines (fire wire
L
and zero wire
N
) to terminals of AC
contactor marked
L1, L2
respectively.
2. Connecting the two motor wires to terminals of AC contactor marked
T1, T2
.
3. Connecting
A2
to
L2
of AC contactor.
4. Connect the two wire of the button switch to the terminals of AC contactor marked
A1,
L1.
Motor Wiring diagram for hydraulic power unit
Three phase motor
1. Circuit Diagram
(See Fig. 29)
.
Fig. 28
Circuit Diagram
按钮开关
～
220V
KM
QS
L
N
SB(UP)
KM
3
4
A2
A1
Button switch
NO
NO
A2
A2
A1
T1
T2
T3
L3
L2
L1
M
～
G
N
L
外
接
电
源
按钮开关
Button
switch
AC contactor
Single phase
Fig. 29
KM
SB(UP)
L3
L2
L1
QS
KM
380V
～
按钮开关
A2
A1
3
4
Button switch
Three phase
